CN203996072U - The crashproof crash energy absorption equipment in a kind of lorry side - Google Patents
The crashproof crash energy absorption equipment in a kind of lorry side Download PDFInfo
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- CN203996072U CN203996072U CN201420387391.2U CN201420387391U CN203996072U CN 203996072 U CN203996072 U CN 203996072U CN 201420387391 U CN201420387391 U CN 201420387391U CN 203996072 U CN203996072 U CN 203996072U
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Abstract
The crashproof crash energy absorption equipment in a kind of lorry of the utility model side, comprises the undaform energy-absorbing baffle plate away from frame outside; Centre is played and is fixedly connected with and can provides two of energy-absorbing to support energy-absorbing filling cylinder; Whole device is connected to the taper prism energy-absorption bracket of Truck Frame Model; Connect and support the adapter plate that energy-absorbing is filled cylinder and taper prism energy-absorption bracket.The crashproof crash energy absorption equipment in lorry described in the utility model side, when dilly hits truck side, increase and absorb the huge energy that collision produces, reduce the initial spike stress of miniature car collision, and prevent from piercing lorry bottom, alleviate dilly occupant's collision damage.
Description
Technical field
The utility model relates to anti-collision device for automobile, more particularly, relates to the crashproof crash energy absorption equipment in a kind of lorry side, is mainly applicable to truck side energy-absorbing anti-collision structure, prevents that the miniature car sides such as car from banging into truck.
Background technology
Raising along with development and the automobile pollution of automotive technology.People also promote the requirement of the safety aspect of all kinds of automobiles thereupon.On road, dolly bangs into the Frequent Accidents on truck chassis, and this safety that also highlights all the more high capacity waggon awaits development.At present, high capacity waggon side all can arrange the anticollision mechanisms such as collision prevention girders, but collision prevention girders majority is hollow tubular structure, and by pipe fitting welding Cheng Jingzi shape crash-proof bracket, simply fixes with compartment.Because the collision prevention girders of this structure is comprised of single rod member, area of contact while clashing into dolly is anterior is little, and collision protection structure does not arrange crash energy absorption equipment, only rely on hollow steel tube buffering energy-absorbing, energy-absorbing effect is undesirable, can increase the damage of dolly and the interior member's of car personal injury degree, life-threatening safety.When dolly side hits truck, the supporting construction of truck side collision prevention girders is easy to be damaged, and can not effectively prevent that dolly from piercing truck chassis, if the speed of a motor vehicle is too fast, easily causes car crash.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, while providing a kind of dilly to hit truck side, increase and absorb the huge energy that collision produces, reduce the initial spike stress of miniature car collision, and prevent from piercing lorry bottom, alleviate the crashproof crash energy absorption equipment in lorry side of dilly occupant's collision damage.
The technical solution of the utility model is as follows:
The crashproof crash energy absorption equipment in lorry side, comprises the undaform energy-absorbing baffle plate away from frame outside; Centre is played and is fixedly connected with and can provides two of energy-absorbing to support energy-absorbing filling cylinder; Whole device is connected to the taper prism energy-absorption bracket of Truck Frame Model; Connect and support the adapter plate that energy-absorbing is filled cylinder and taper prism energy-absorption bracket.
As preferably, along away from being divided into three energy-absorbing regions in car body direction: taper prism energy-absorption bracket and inner packing material form high energy-absorbing region; Support energy-absorbing filling cylinder and inner packing material and form middle energy-absorbing region; Undaform energy-absorbing baffle plate and inner packing material form low energy-absorbing region.
As preferably, described undaform energy-absorbing baffle plate is positive for striking out corrugated positive waveform plate, the limit punching press of two sides is fluted, reverse side is the upper following back panel to the bending of undaform energy-absorbing baffle interior, except upper curved edges, all the other side punching presses are fluted, and by together with the upper following overlapping riveted joint of the limit of reverse side bending and positive waveform plate; There is the face of cylinder concaving vertical center line both sides, back panel edge respectively punching press.
As preferably, the side-closed plate shape of described undaform energy-absorbing baffle plate is identical with the side of undaform energy-absorbing baffle plate, when reverse side bending upper is below and together with the upper following overlapping riveted joint of positive waveform plate, side-closed plate is stuck in the groove on limit, positive and negative panel left and right, forms the box body of sealing.
As preferably, the energy-absorbing material density in described undaform energy-absorbing baffle plate reduces gradually being index gradient away from car body direction upper density.
As preferably, supporting energy-absorbing, to fill cylinder be cylindrical shape, and wherein cylinder one side bus is longer, has bolt hole, is connected with undaform energy-absorbing baffle plate; A relative side bus is shorter, has bolt hole, is connected with the adapter plate indent face of cylinder; Support energy-absorbing and fill cylinder connection taper prism energy-absorption bracket and undaform energy-absorbing baffle plate.
As preferably, adapter plate is provided with the indent face of cylinder, and adapter plate stamps out symmetrical cylindrical surface along vertical center line, and cylindrical shape matches with the face of cylinder of supporting energy-absorbing and fill cylinder; On the face of cylinder of adapter plate, have bolt hole, fill cylinder with support energy-absorbing and be connected; The both sides plate part of adapter plate, has bolt hole, is connected with taper prism energy-absorption bracket.
As preferably, half shell that described taper prism energy-absorption bracket strikes out respectively taper type by two boards is docking together, and forms a taper type long tube, at the upper and lower joint of half shell, has flange, has bolt hole on flange, connects when docking two and half shells with bolt; Taper prism energy-absorption bracket is near undaform energy-absorbing baffle plate one end, the circular arc that upper and lower plates has, and end face both sides are welded with respectively rectangular plate, and open bolt hole, for being connected with described adapter plate; Taper prism energy-absorption bracket is near car body one end, upwards crooked, and is connected with vehicle frame.
As preferably, the inside packing material of described taper prism energy-absorption bracket successively decreases being index gradient away from car body direction upper density.
The beneficial effects of the utility model are as follows:
One, undaform energy-absorbing baffle plate, is rectangular box structure, increases collision area of contact, reduces impact pressure, and effectively prevents that miniature car from piercing truck bottom.The positive waveform plate of undaform energy-absorbing baffle plate is when bumping, more yielding compared with rectangular tube or flat board, the initial spike stress in the time of can effectively reducing collision.The deformation of waveform plate simultaneously can absorb the energy that collision produces, and increases energy absorption characteristics.Employing aluminium is stamped to form, and steel is soft holds concurrently mutually, has good crash-worthiness and endergonic effect.Crooked to undaform energy-absorbing baffle interior below on undaform energy-absorbing baffle plate back panel, there is certain circularity in corner, with respect to upper and lower edge break, to inside, increases the intensity of corner when collision occurs, and can not cause fracture.The punching press of undaform energy-absorbing baffle plate back panel has two indent faces of cylinder, fills cylinder be connected with support energy-absorbing, can make two structures more closely link together, and reaches firm connection.
Two, undaform energy-absorbing baffle interior is filled with density gradient metal foam, and along successively decreasing gradually away from car body direction density.Density gradient filled and process has the premium properties such as pore-solids ratio is high, wall intensity is high, stiffness-to-density ratio is large.When collision occurs, not only make impulsive force in collision process, present graded, and filled and process can progressively absorb the large energy that collision produces.In addition, filled and process can reduce the weight of device under the condition that increases energy-absorbing, and density gradient can be saved metal foaming material.And along with density constantly increases, Compressive Mechanical Properties and the energy absorption capacity of filled and process significantly improve, impact strength also increases thereupon, thereby further improves energy absorption capacity, forms index gradient energy-absorbing effect.Undaform energy-absorbing baffle plate and the inner common formation low energy-absorbing region of filling.Collision energy in the time of can absorbing slight impact, and effectively reduce peak stress.
Three, the positive and negative panel of undaform energy-absorbing baffle plate links together with rivet, and it is interior fixing that two sides closing panel can snap in the groove of pros and cons edges of boards, realizes the assembling of undaform energy-absorbing baffle plate body.This Assembly And Disassembly that benefits undaform energy-absorbing baffle plate that is designed with, causes the parts of damage in the time of can changing slight impact in time, be conducive to reduce use cost.
Four, support energy-absorbing and fill cylinder and made by two-phase high intensity cold steel rolling HC340/DP590 material, the intensity of two-phase high intensity cold steel rolling is at 500MPa between 1500MPa, and the high strength that material has, further strengthens the connective stability of cylinder.Meanwhile, the steel rolling of two-phase high intensity cold has fine energy absorption capacity, and low-density and high-strength characteristic, the lightweight requirements of equality circuit.Support energy-absorbing filling cylinder interior and be filled with Polyurethane foam, Polyurethane foam has splendid elasticity, flexibility, percentage elongation and compression strength.Polyurethane foam is filled in and supports energy-absorbing and fill in cylinder, can not only improve its support stiffness, make whole device not fragile in collision, and can clash into and in BENDING PROCESS, absorb a large amount of collision energies at cylinder.Support energy-absorbing filling cylinder and inner packing material and jointly form middle energy-absorbing region, lower energy-absorbing region energy-absorbing effect is good, and amount of energy is large.In addition, energy-absorbing is filled drum forms and is played stable connection undaform energy-absorbing baffle plate and support bracket fastened effect.
Five, adapter plate adopts two-phase high intensity cold steel rolling HC400/DP780 material, and intensity and toughness is larger, make to support energy-absorbing fill between cylinder and taper prism energy-absorption bracket, be connected more firm.In collision when violent, can fill cylinder and impact force is further delivered on taper prism energy-absorption bracket after by conquassation with supporting energy-absorbing at undaform energy-absorbing baffle plate, thereby continue to absorb collision energy.Adapter plate middle part stamps out the face of cylinder, and shape matches with the face of cylinder of supporting energy-absorbing filling cylinder, and links together, and is connected and compares with cylindrical drum with dull and stereotyped, improves structure and connects more firm.
Six, taper prism energy-absorption bracket adopts carbon fibre material to make, make it have lightweight, the characteristic that intensity is high.In addition, the inner filled polyolefin elastic body of taper prism POE material, and make its density be index gradient variation near vehicle body direction, and when it is impacted, make its stressed variation in gradient, make its energy-absorbing step increase.And POE material has higher bending strength and shock resistance, high ratio energy absorption characteristics, it is dispersed in impact force in whole packing material, thereby further improves its buffering energy-absorbing; POE packing material low cost of manufacture, thus the cost of anticollision device also reduced.In addition, taper prism energy-absorption bracket also can effectively reduce the initial spike of impact force, member's safety in protection car.Packing material and carbon fiber skin cooperatively interact, and can absorb the energy that a large amount of collisions produce, and form high energy-absorbing region.Thereby the injury of greatly less collision to miniature car, effectively prevents that roadlice from piercing truck chassis.Fixed support forms with two and half shell docking, is conducive to Assembly And Disassembly, with timely replacing support damaging part, and is convenient to fill POE material to internal stent.
Seven, according to material from fill the different of energy absorption capacity, by whole device edge away from being divided into three energy-absorbing regions in car body direction.The low energy-absorbing of outermost region, when there is slight impact, more easily deforms, and absorbs collision energy; In the comparatively violent situation of collision, after low energy-absorbing region is by conquassation, waveform energy-absorbing baffle plate back panel intensity is large, not yielding, energy-absorbing region in the middle of impact force can being delivered to.In middle energy-absorbing region, support energy-absorbing filling cylinder and inner packing material and be subject to horizontal compression, there is deformation, can absorb collision energy, and the energy absorption capacity in middle energy-absorbing region is greater than low energy-absorbing region energy absorption capacity; If midship mounting energy-absorbing is filled cylinder by after conquassation; impact force can be transmitted to taper prism energy-absorption bracket by adapter plate; as high energy-absorbing region; taper prism energy-absorption bracket and inner packing material are by axial compression; because high energy-absorbing regional structure intensity is large; packing material energy absorption capacity is best; after low, middle energy-absorbing region absorption energy is by conquassation; high energy-absorbing region can absorb residue collision energy; finally making miniature car kinetic energy is zero; effectively prevent that dilly from piercing truck underframe, and the interior member's of car that adequately protects life security.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of truck of the present utility model side crashproof buffering energy-absorbing energy absorption device mechanism;
Fig. 2 is undaform energy-absorbing baffle plate schematic diagram of the present utility model;
Fig. 3 is the schematic diagram of back panel in undaform energy-absorbing baffle plate of the present utility model;
Fig. 4 is undaform energy-absorbing baffle plate side-closed plate of the present utility model;
Fig. 5 is undaform energy-absorbing baffle plate side cut away view of the present utility model;
Fig. 6 is the schematic diagram that support energy-absorbing of the present utility model is filled cylinder;
Fig. 7 is the three-view diagram that support energy-absorbing of the present utility model is filled cylinder;
Fig. 8 is adapter plate schematic diagram of the present utility model;
Fig. 9 is the birds-eye view of taper prism energy-absorption bracket of the present utility model;
Figure 10 is the schematic diagram of taper prism energy-absorption bracket of the present utility model;
Figure 11 is taper prism energy-absorption bracket of the present utility model section-drawing vertically;
Figure 12 is energy-absorbing zoning plan of the present utility model;
In figure: the 1st, undaform energy-absorbing baffle plate, the 2nd, undaform energy-absorbing baffle plate side-closed plate, the 3rd, adapter plate, the 4th, support energy-absorbing and fill cylinder, the 5th, taper prism energy-absorption bracket, the 6th, positive waveform plate, the 7th, back panel, the 8th, limit, undaform energy-absorbing baffle plate back panel side groove, the 9th, undaform energy-absorbing baffle plate front plate end surface side groove, the 10th, undaform energy-absorbing baffle plate back panel end face top, the 11st, the rivet of the positive and negative panel overlapping of undaform energy-absorbing baffle plate, the 12nd, undaform energy-absorbing baffle plate back panel is aduncate below, the 13rd, undaform energy-absorbing baffle plate back panel is aduncate below, the 14th, the face of cylinder that undaform energy-absorbing baffle plate back panel stamps out, the 15th, the bolt hole in the back panel indent face of cylinder, the 16th, support the bolt hole that energy-absorbing is filled cylinder one side, the 17th, support the bolt hole that energy-absorbing is filled cylinder opposite side, the 18th, the bolt hole in the adapter plate face of cylinder, the 19th, the bolt hole of the two side portions of adapter plate, the 20th, the cylindrical surface at adapter plate middle part, the 21st, the bolt hole on taper prism energy-absorption bracket connecting panel, the 22nd, the metal foam of filling in undaform energy-absorbing baffle plate, the 23rd, the polyolefin elastomer material of filling in taper prism energy-absorption bracket, the 24th, the face of cylinder that taper prism energy-absorption bracket is opened away from car body end face, the 25th, the flange of taper prism energy-absorption bracket joint, the 26th, the bolt hole on taper prism energy-absorption bracket flange, the 27th, taper prism energy-absorption bracket is away from the connecting panel of car body end face both sides welding, the 28th, two taper type half shells of taper prism energy-absorption bracket, the 29th, undaform energy-absorbing baffle plate side-closed plate, the 30th, the bolt hole that taper prism energy-absorption bracket is connected with vehicle frame near car body end, the 31st, the bolt hole that taper prism energy-absorption bracket is connected with compartment near car body end end face, the 32nd, support energy-absorbing and fill the polyurethane foamed material of filling in cylinder.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the crashproof crash energy absorption equipment in lorry side comprises undaform energy-absorbing baffle plate 1, supports energy-absorbing filling cylinder 4, adapter plate 3 and taper prism energy-absorption bracket 5.Undaform energy-absorbing baffle plate 1 back panel 7 upper punches are pressed with the cylindrical surface 14 of indent, in the cylindrical surface 14 of indent, have bolt hole 15, fill cylinder 4 be connected with support energy-absorbing.The opposite side that supports energy-absorbing filling cylinder 4 is connected with adapter plate 3, and adapter plate 3 is connected with taper prism energy-absorption bracket 5 use bolts.Other end perk place of taper prism energy-absorption bracket 5, is connected with Truck Frame Model, and whole device is firmly connected on car body.
As shown in Fig. 2,3,4,5,6,7, the positive waveform plate 6 of undaform energy-absorbing baffle plate 1 is that to adopt aluminium sheet to strike out corrugated, limit, the two sides punching press place band fluted 9 of positive waveform plate 6.Back panel 7 is rectangular plate, and the top 13 and following 12 of back panel 7 is all to undaform energy-absorbing baffle plate 1 interior curve.Limit, the two sides punching press place groove 8 of back panel 7, and 10 places, top, side of back panel 7 are smooth limit, for stamping out groove.During assembling undaform energy-absorbing baffle plate 1, can first the corresponding sides of undaform energy-absorbing baffle plate 1 side-closed plate 29 be snapped in to groove 8 places of back panel 7, by aduncate following 12,13 of two limits of positive waveform plate 6 and back panel 7, overlap again, and connect with rivet 11.29 of undaform energy-absorbing baffle plate 1 side-closed plates are stuck in the groove 8,9 of positive and negative panel 6,7, form the box body of a sealing.Back panel 7 vertical center line both sides strike out the face of cylinder 14 of indent.The cylindrical shape that the shape on the face of cylinder 14 is filled cylinder 4 with support energy-absorbing is to mating.Make being connected of back panel 7 and support energy-absorbing filling cylinder 4 more firm.In the face of cylinder 14, have bolt hole 15.
Positive waveform plate 6 and two of sides closing panel adopt metallic aluminium to be stamped to form, and belong to semi-rigid Crashworthy plate, and surface treatment adopts pot galvanize or galvanized plastic-sprayed two kinds of modes.7 of back panels adopt two-phase high intensity cold steel rolling HC400/DP780 to make.
The inside of undaform energy-absorbing baffle plate 1 is filled with density gradient metal foam 22, away from car body direction upper density index gradient, is reducing gradually.
Supporting energy-absorbing filling cylinder 4 is cylinder-shaped thin wall cylinder, adopts two-phase high intensity cold steel rolling HC340/DP590.Supporting the long side of energy-absorbing filling cylinder 4 buses, have bolt hole 17, the face of cylinder of this side is embedded in the indent face of cylinder 14 of back panel 7, bolt hole 17 is connected with the bolt hole 15 use bolts in the indent face of cylinder 14.Support energy-absorbing and fill the shorter side of cylinder 4 buses, have bolt hole 16.
Support energy-absorbing filling cylinder 4 inside and be filled with polyurethane foamed material 32, strengthen supporting the energy absorption characteristics that energy-absorbing is filled cylinder 4, and improve its rigidity.
Structure is the adapter plate 3 in device as shown in Figure 8, plays the effect that energy-absorbing is filled cylinder 4 and taper prism energy-absorption bracket 5 of supporting that connects.Adapter plate, 3 adopt two-phase high intensity cold steel rolling HC400/DP780 to make.The face of cylinder of supporting energy-absorbing filling cylinder 4 for solving is directly connected unsettled problem with taper prism energy-absorption bracket, increases a transom adapter plate 3 in device.Adapter plate 3 middle parts go out cylindrical surface 20 along vertical center line symmetric punching, and the shape of cylindrical surface 20 is identical with the cylindrical surface of hollow stationary cylinder 4.On cylindrical surface 20, have bolt hole 18.At adapter plate 3 and support energy-absorbing and fill cylinder 4 while being connected, fitted with the face of cylinder 20 in the face of cylinder of supporting energy-absorbing and fill cylinder 4, and bolt hole 18 and bolt hole 16 are fixed with bolt.
As shown in Fig. 9,10,11, taper prism energy-absorption bracket is made by carbon fibre material.Taper prism energy-absorption bracket side is lie low L shaped, and longer pipe is made frustum shape, and is formed by two half identical shell 28 docking, is convenient to the assembly and disassembly of taper prism energy-absorption bracket.The joint of taper prism energy-absorption bracket has the flange 25 of outside perk, on flange 25, have row's bolt hole 26, when two and half shell docking of taper prism energy-absorption bracket 5, bolt hole corresponding on flange 25 is linked together, just surrounded a taper prism energy-absorption bracket.
Taper prism energy-absorption bracket 5, away from the upper and lower plates place of car body end face, has two circular arcs, and the face of cylinder 20 of adapter plate 3 can be headed in circular arc 24, two transoms is installed more stable.Taper prism energy-absorption bracket 5 left and right sides away from car body end, weld respectively the steel plate 27 of two rectangles, and have bolt hole 21.When being connected with adapter plate 3, by 27 laminatings of the biside plate of adapter plate 3 and steel plate, and by bolt hole 21 with the bolt hole 19 of adapter plate 3 to being connected.
Taper prism energy-absorption bracket 5 is near car body one end, and cube is upturned, and near car body one side, has bolt hole 30, can be connected with vehicle frame.Can make whole device be fixed on liftoff certain distance that has, guarantee the performance of passing through of lorry, also avoid undaform energy-absorbing baffle plate 1 simultaneously and support energy-absorbing and fill the compartment that cylinder 4 touches lorry in installation process.Can fully guarantee that whole energy absorption device position is in vertical direction best.Taper prism energy-absorption bracket 5 is near car body perk one end, and fitting in when end face is installed and ground, compartment, and has bolt hole 31, can with bolt, couple together with at the bottom of container, fully guarantees that whole device is connected with car body stable.
The inside of taper prism energy-absorption bracket 5 is filled with polyolefin elastomer material, and in the direction away from car body, filling material density is index gradient to be changed, and reduces gradually.When collision occurs, taper prism energy-absorption bracket 5, by axial compression, can absorb the energy that a large amount of collisions produce, and greatly strengthens collision energy-absorbing.
In described whole device, the intensity and toughness of taper prism energy-absorption bracket 5 is larger than the intensity and toughness that supports energy-absorbing filling cylinder 4, and the intensity and toughness of the positive waveform plate 6 of undaform energy-absorbing baffle plate 1 is minimum.And the back panel 7 of undaform energy-absorbing baffle plate 1 adopts two-phase high intensity cold steel rolling HC400/DP780 to make with adapter plate 3, intensity and toughness is maximum, not yielding, can keep whole device stable connection, and transmit impact force.
As shown in figure 12, whole device is different according to material and weighting material energy absorption characteristics, be divided into three energy-absorbing regions on away from car body direction: high energy-absorbing region, middle energy-absorbing region and low energy-absorbing region: the intensity and toughness of taper prism energy-absorption bracket 5 and inner packing material energy absorption capacity are maximum, jointly form high energy-absorbing region; The intensity and toughness and the inner packing material energy absorption capacity that support energy-absorbing filling cylinder 4 are placed in the middle, energy-absorbing region in the middle of forming; And the positive waveform plate 6 of undaform energy-absorbing baffle plate 1 and the intensity and toughness of back panel 7 and inner packing material energy absorption capacity are minimum, form low energy-absorbing region.
When collision occurs, undaform energy-absorbing baffle plate 1 and inner density gradient metal foam of filling form the low energy-absorbing of outermost region, and first dilly clashes into undaform energy-absorbing baffle plate 1, and low energy-absorbing region deforms, and absorbs collision energy.After undaform energy-absorbing baffle plate 1 is by conquassation, because back panel 7 intensity and toughnesses are larger, be difficult for deforming, impact force can be delivered to and support on energy-absorbing filling cylinder 4, impact force is delivered to middle energy-absorbing region.In the endergonic process of middle energy-absorbing region, support energy-absorbing filling cylinder 4 and be subject to lateral pressure, start to produce distortion, and absorb collision energy.After support energy-absorbing filling cylinder 4 is by conquassation, the high energy-absorbing region of device starts to bring into play energy-absorbing function, impact force can be delivered on taper prism energy-absorption bracket 5 by adapter plate 3, by axial compression taper prism energy-absorption bracket 5, reduce the energy that collision produces, can alleviate miniature car because occurring to clash into the injury producing, guarantee to greatest extent the personal safety of member in car.
Above-described embodiment is only for the utility model is described, and not with the restriction of the present utility model of opposing.So long as according to technical spirit of the present utility model, to above-described embodiment change, modification etc. all will drop in the scope of claim of the present utility model.
Claims (9)
1. the crashproof crash energy absorption equipment in lorry side, is characterized in that: comprise the undaform energy-absorbing baffle plate away from frame outside; Centre is played and is fixedly connected with and can provides two of energy-absorbing to support energy-absorbing filling cylinder; Whole device is connected to the taper prism energy-absorption bracket of Truck Frame Model; Connect and support the adapter plate that energy-absorbing is filled cylinder and taper prism energy-absorption bracket.
2. the crashproof crash energy absorption equipment in lorry according to claim 1 side, is characterized in that, edge is away from being divided into three energy-absorbing regions in car body direction: taper prism energy-absorption bracket and inner packing material form high energy-absorbing region; Support energy-absorbing filling cylinder and inner packing material and form middle energy-absorbing region; Undaform energy-absorbing baffle plate and inner packing material form low energy-absorbing region.
3. the crashproof crash energy absorption equipment in lorry according to claim 1 side, it is characterized in that, described undaform energy-absorbing baffle plate is positive for striking out corrugated positive waveform plate, the limit punching press of two sides is fluted, reverse side is the upper following back panel to the bending of undaform energy-absorbing baffle interior, except upper curved edges, all the other side punching presses are fluted, and by together with the upper following overlapping riveted joint of the limit of reverse side bending and positive waveform plate; There is the face of cylinder concaving vertical center line both sides, back panel edge respectively punching press.
4. the crashproof crash energy absorption equipment in lorry according to claim 3 side, it is characterized in that, the side-closed plate shape of described undaform energy-absorbing baffle plate is identical with the side of undaform energy-absorbing baffle plate, when reverse side bending upper is below and together with the upper following overlapping riveted joint of positive waveform plate, side-closed plate is stuck in the groove on limit, positive and negative panel left and right, forms the box body of sealing.
5. the crashproof crash energy absorption equipment in lorry according to claim 2 side, is characterized in that, the energy-absorbing material density in described undaform energy-absorbing baffle plate reduces gradually being index gradient away from car body direction upper density.
6. the crashproof crash energy absorption equipment in lorry according to claim 2 side, is characterized in that, supporting energy-absorbing filling cylinder is cylindrical shape, and wherein cylinder one side bus is longer, has bolt hole, is connected with undaform energy-absorbing baffle plate; A relative side bus is shorter, has bolt hole, is connected with the adapter plate indent face of cylinder; Support energy-absorbing and fill cylinder connection taper prism energy-absorption bracket and undaform energy-absorbing baffle plate.
7. the crashproof crash energy absorption equipment in lorry according to claim 2 side, it is characterized in that, adapter plate is provided with the indent face of cylinder, and adapter plate stamps out symmetrical cylindrical surface along vertical center line, and cylindrical shape matches with the face of cylinder of supporting energy-absorbing filling cylinder; On the face of cylinder of adapter plate, have bolt hole, fill cylinder with support energy-absorbing and be connected; The both sides plate part of adapter plate, has bolt hole, is connected with taper prism energy-absorption bracket.
8. the crashproof crash energy absorption equipment in lorry according to claim 2 side, it is characterized in that, half shell that described taper prism energy-absorption bracket strikes out respectively taper type by two boards is docking together, form a taper type long tube, at the upper and lower joint of half shell, there is flange, on flange, there is bolt hole, with bolt, connect when docking two and half shells; Taper prism energy-absorption bracket is near undaform energy-absorbing baffle plate one end, the circular arc that upper and lower plates has, and end face both sides are welded with respectively rectangular plate, and open bolt hole, for being connected with described adapter plate; Taper prism energy-absorption bracket is near car body one end, upwards crooked, and is connected with vehicle frame.
9. the crashproof crash energy absorption equipment in lorry according to claim 8 side, is characterized in that, the inside packing material of described taper prism energy-absorption bracket successively decreases being index gradient away from car body direction upper density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387391.2U CN203996072U (en) | 2014-07-14 | 2014-07-14 | The crashproof crash energy absorption equipment in a kind of lorry side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387391.2U CN203996072U (en) | 2014-07-14 | 2014-07-14 | The crashproof crash energy absorption equipment in a kind of lorry side |
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| Publication Number | Publication Date |
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| CN203996072U true CN203996072U (en) | 2014-12-10 |
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| CN201420387391.2U Withdrawn - After Issue CN203996072U (en) | 2014-07-14 | 2014-07-14 | The crashproof crash energy absorption equipment in a kind of lorry side |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097600A (en) * | 2014-07-14 | 2014-10-15 | 华侨大学 | Anti-collision buffer energy-absorbing device for side of truck |
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2014
- 2014-07-14 CN CN201420387391.2U patent/CN203996072U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097600A (en) * | 2014-07-14 | 2014-10-15 | 华侨大学 | Anti-collision buffer energy-absorbing device for side of truck |
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